Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / VisualStyles / VisualStyleInformation.cs / 1305376 / VisualStyleInformation.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
/*
*/
[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.MSInternal", "CA905:SystemAndMicrosoftNamespacesRequireApproval", Scope="namespace", Target="System.Windows.Forms.VisualStyles")]
namespace System.Windows.Forms.VisualStyles {
using System;
using System.Text;
using System.Drawing;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Diagnostics.CodeAnalysis;
///
///
/// Provides information about the current visual style.
/// NOTE:
/// 1) These properties (except SupportByOS, which is always meaningful) are meaningful only
/// if visual styles are supported and have currently been applied by the user.
/// 2) A subset of these use VisualStyleRenderer objects, so they are
/// not meaningful unless VisualStyleRenderer.IsSupported is true.
///
///
public static class VisualStyleInformation {
//Make this per-thread, so that different threads can safely use these methods.
[ThreadStatic]
private static VisualStyleRenderer visualStyleRenderer = null;
///
///
/// Used to find whether visual styles are supported by the current OS. Same as
/// using the OSFeature class to see if themes are supported.
///
///
public static bool IsSupportedByOS {
get {
return (OSFeature.Feature.IsPresent(OSFeature.Themes));
}
}
///
///
/// Returns true if a visual style has currently been applied by the user, else false.
///
///
public static bool IsEnabledByUser {
get {
if (!IsSupportedByOS) {
return false;
}
return (SafeNativeMethods.IsAppThemed());
}
}
internal static string ThemeFilename {
get {
if (IsEnabledByUser) {
StringBuilder filename = new StringBuilder(512);
SafeNativeMethods.GetCurrentThemeName(filename, filename.Capacity, null, 0, null, 0);
return (filename.ToString());
}
return String.Empty;
}
}
///
/// The current visual style's color scheme name.
///
public static string ColorScheme {
get {
if (IsEnabledByUser) {
StringBuilder colorScheme = new StringBuilder(512);
SafeNativeMethods.GetCurrentThemeName(null, 0, colorScheme, colorScheme.Capacity, null, 0);
return (colorScheme.ToString());
}
return String.Empty;
}
}
///
/// The current visual style's size name.
///
public static string Size {
get {
if (IsEnabledByUser) {
StringBuilder size = new StringBuilder(512);
SafeNativeMethods.GetCurrentThemeName(null, 0, null, 0, size, size.Capacity);
return (size.ToString());
}
return String.Empty;
}
}
///
/// The current visual style's display name.
///
public static string DisplayName {
get {
if (IsEnabledByUser) {
StringBuilder name = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.DisplayName, name, name.Capacity);
return name.ToString();
}
return String.Empty;
}
}
///
/// The current visual style's company.
///
public static string Company {
get {
if (IsEnabledByUser) {
StringBuilder company = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Company, company, company.Capacity);
return company.ToString();
}
return String.Empty;
}
}
///
/// The name of the current visual style's author.
///
public static string Author {
get {
if (IsEnabledByUser) {
StringBuilder author = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Author, author, author.Capacity);
return author.ToString();
}
return String.Empty;
}
}
///
/// The current visual style's copyright information.
///
public static string Copyright {
get {
if (IsEnabledByUser) {
StringBuilder copyright = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Copyright, copyright, copyright.Capacity);
return copyright.ToString();
}
return String.Empty;
}
}
///
/// The current visual style's url.
///
[SuppressMessage("Microsoft.Design", "CA1056:UriPropertiesShouldNotBeStrings")]
public static string Url {
[SuppressMessage("Microsoft.Design", "CA1054:UriParametersShouldNotBeStrings")]
get {
if (IsEnabledByUser) {
StringBuilder url = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Url, url, url.Capacity);
return url.ToString();
}
return String.Empty;
}
}
///
/// The current visual style's version.
///
public static string Version {
get {
if (IsEnabledByUser) {
StringBuilder version = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Version, version, version.Capacity);
return version.ToString();
}
return String.Empty;
}
}
///
/// The current visual style's description.
///
public static string Description {
get {
if (IsEnabledByUser) {
StringBuilder description = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Description, description, description.Capacity);
return description.ToString();
}
return String.Empty;
}
}
///
/// Returns true if the current theme supports flat menus, else false.
///
public static bool SupportsFlatMenus {
get {
if (Application.RenderWithVisualStyles) {
if (visualStyleRenderer == null) {
visualStyleRenderer = new VisualStyleRenderer(VisualStyleElement.Window.Caption.Active);
}
else {
visualStyleRenderer.SetParameters(VisualStyleElement.Window.Caption.Active);
}
return (SafeNativeMethods.GetThemeSysBool(new HandleRef(null, visualStyleRenderer.Handle), VisualStyleSystemProperty.SupportsFlatMenus));
}
return false;
}
}
///
/// The minimum color depth supported by the current visual style.
///
public static int MinimumColorDepth {
get {
if (Application.RenderWithVisualStyles) {
if (visualStyleRenderer == null) {
visualStyleRenderer = new VisualStyleRenderer(VisualStyleElement.Window.Caption.Active);
}
else {
visualStyleRenderer.SetParameters(VisualStyleElement.Window.Caption.Active);
}
int mcDepth = 0;
SafeNativeMethods.GetThemeSysInt(new HandleRef(null, visualStyleRenderer.Handle), VisualStyleSystemProperty.MinimumColorDepth, ref mcDepth);
return mcDepth;
}
return 0;
}
}
///
/// Border Color that Windows XP renders for controls like TextBox and ComboBox.
///
public static Color TextControlBorder {
get {
if (Application.RenderWithVisualStyles) {
if (visualStyleRenderer == null) {
visualStyleRenderer = new VisualStyleRenderer(VisualStyleElement.TextBox.TextEdit.Normal);
}
else {
visualStyleRenderer.SetParameters(VisualStyleElement.TextBox.TextEdit.Normal);
}
Color borderColor = visualStyleRenderer.GetColor(ColorProperty.BorderColor);
return borderColor;
}
return SystemColors.WindowFrame;
}
}
///
/// This is the color buttons and tab pages are highlighted with when they are moused over on themed OS.
///
public static Color ControlHighlightHot {
get {
if (Application.RenderWithVisualStyles) {
if (visualStyleRenderer == null) {
visualStyleRenderer = new VisualStyleRenderer(VisualStyleElement.Button.PushButton.Normal);
}
else {
visualStyleRenderer.SetParameters(VisualStyleElement.Button.PushButton.Normal);
}
Color accentColor = visualStyleRenderer.GetColor(ColorProperty.AccentColorHint);
return accentColor;
}
return SystemColors.ButtonHighlight;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
/*
*/
[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.MSInternal", "CA905:SystemAndMicrosoftNamespacesRequireApproval", Scope="namespace", Target="System.Windows.Forms.VisualStyles")]
namespace System.Windows.Forms.VisualStyles {
using System;
using System.Text;
using System.Drawing;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Diagnostics.CodeAnalysis;
///
///
/// Provides information about the current visual style.
/// NOTE:
/// 1) These properties (except SupportByOS, which is always meaningful) are meaningful only
/// if visual styles are supported and have currently been applied by the user.
/// 2) A subset of these use VisualStyleRenderer objects, so they are
/// not meaningful unless VisualStyleRenderer.IsSupported is true.
///
///
public static class VisualStyleInformation {
//Make this per-thread, so that different threads can safely use these methods.
[ThreadStatic]
private static VisualStyleRenderer visualStyleRenderer = null;
///
///
/// Used to find whether visual styles are supported by the current OS. Same as
/// using the OSFeature class to see if themes are supported.
///
///
public static bool IsSupportedByOS {
get {
return (OSFeature.Feature.IsPresent(OSFeature.Themes));
}
}
///
///
/// Returns true if a visual style has currently been applied by the user, else false.
///
///
public static bool IsEnabledByUser {
get {
if (!IsSupportedByOS) {
return false;
}
return (SafeNativeMethods.IsAppThemed());
}
}
internal static string ThemeFilename {
get {
if (IsEnabledByUser) {
StringBuilder filename = new StringBuilder(512);
SafeNativeMethods.GetCurrentThemeName(filename, filename.Capacity, null, 0, null, 0);
return (filename.ToString());
}
return String.Empty;
}
}
///
/// The current visual style's color scheme name.
///
public static string ColorScheme {
get {
if (IsEnabledByUser) {
StringBuilder colorScheme = new StringBuilder(512);
SafeNativeMethods.GetCurrentThemeName(null, 0, colorScheme, colorScheme.Capacity, null, 0);
return (colorScheme.ToString());
}
return String.Empty;
}
}
///
/// The current visual style's size name.
///
public static string Size {
get {
if (IsEnabledByUser) {
StringBuilder size = new StringBuilder(512);
SafeNativeMethods.GetCurrentThemeName(null, 0, null, 0, size, size.Capacity);
return (size.ToString());
}
return String.Empty;
}
}
///
/// The current visual style's display name.
///
public static string DisplayName {
get {
if (IsEnabledByUser) {
StringBuilder name = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.DisplayName, name, name.Capacity);
return name.ToString();
}
return String.Empty;
}
}
///
/// The current visual style's company.
///
public static string Company {
get {
if (IsEnabledByUser) {
StringBuilder company = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Company, company, company.Capacity);
return company.ToString();
}
return String.Empty;
}
}
///
/// The name of the current visual style's author.
///
public static string Author {
get {
if (IsEnabledByUser) {
StringBuilder author = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Author, author, author.Capacity);
return author.ToString();
}
return String.Empty;
}
}
///
/// The current visual style's copyright information.
///
public static string Copyright {
get {
if (IsEnabledByUser) {
StringBuilder copyright = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Copyright, copyright, copyright.Capacity);
return copyright.ToString();
}
return String.Empty;
}
}
///
/// The current visual style's url.
///
[SuppressMessage("Microsoft.Design", "CA1056:UriPropertiesShouldNotBeStrings")]
public static string Url {
[SuppressMessage("Microsoft.Design", "CA1054:UriParametersShouldNotBeStrings")]
get {
if (IsEnabledByUser) {
StringBuilder url = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Url, url, url.Capacity);
return url.ToString();
}
return String.Empty;
}
}
///
/// The current visual style's version.
///
public static string Version {
get {
if (IsEnabledByUser) {
StringBuilder version = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Version, version, version.Capacity);
return version.ToString();
}
return String.Empty;
}
}
///
/// The current visual style's description.
///
public static string Description {
get {
if (IsEnabledByUser) {
StringBuilder description = new StringBuilder(512);
SafeNativeMethods.GetThemeDocumentationProperty(ThemeFilename, VisualStyleDocProperty.Description, description, description.Capacity);
return description.ToString();
}
return String.Empty;
}
}
///
/// Returns true if the current theme supports flat menus, else false.
///
public static bool SupportsFlatMenus {
get {
if (Application.RenderWithVisualStyles) {
if (visualStyleRenderer == null) {
visualStyleRenderer = new VisualStyleRenderer(VisualStyleElement.Window.Caption.Active);
}
else {
visualStyleRenderer.SetParameters(VisualStyleElement.Window.Caption.Active);
}
return (SafeNativeMethods.GetThemeSysBool(new HandleRef(null, visualStyleRenderer.Handle), VisualStyleSystemProperty.SupportsFlatMenus));
}
return false;
}
}
///
/// The minimum color depth supported by the current visual style.
///
public static int MinimumColorDepth {
get {
if (Application.RenderWithVisualStyles) {
if (visualStyleRenderer == null) {
visualStyleRenderer = new VisualStyleRenderer(VisualStyleElement.Window.Caption.Active);
}
else {
visualStyleRenderer.SetParameters(VisualStyleElement.Window.Caption.Active);
}
int mcDepth = 0;
SafeNativeMethods.GetThemeSysInt(new HandleRef(null, visualStyleRenderer.Handle), VisualStyleSystemProperty.MinimumColorDepth, ref mcDepth);
return mcDepth;
}
return 0;
}
}
///
/// Border Color that Windows XP renders for controls like TextBox and ComboBox.
///
public static Color TextControlBorder {
get {
if (Application.RenderWithVisualStyles) {
if (visualStyleRenderer == null) {
visualStyleRenderer = new VisualStyleRenderer(VisualStyleElement.TextBox.TextEdit.Normal);
}
else {
visualStyleRenderer.SetParameters(VisualStyleElement.TextBox.TextEdit.Normal);
}
Color borderColor = visualStyleRenderer.GetColor(ColorProperty.BorderColor);
return borderColor;
}
return SystemColors.WindowFrame;
}
}
///
/// This is the color buttons and tab pages are highlighted with when they are moused over on themed OS.
///
public static Color ControlHighlightHot {
get {
if (Application.RenderWithVisualStyles) {
if (visualStyleRenderer == null) {
visualStyleRenderer = new VisualStyleRenderer(VisualStyleElement.Button.PushButton.Normal);
}
else {
visualStyleRenderer.SetParameters(VisualStyleElement.Button.PushButton.Normal);
}
Color accentColor = visualStyleRenderer.GetColor(ColorProperty.AccentColorHint);
return accentColor;
}
return SystemColors.ButtonHighlight;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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