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public static GrabWindowBitmap ( |
||
| windowHandle | The window handle. | |
| bitmapSize | System | The requested bitmap size. |
| Результат | ||
/// <summary>
/// Helper function to capture a bitmap for a given window handle or incase of WPF app,
/// an UIElement.
/// </summary>
/// <param name="taskbarWindow">The proxy window for which a bitmap needs to be created</param>
/// <param name="requestedSize">Size for the requested bitmap image</param>
/// <returns>Bitmap captured from the window handle or UIElement. Null if the window is hidden or it's size is zero.</returns>
private static IntPtr GrabBitmap(TaskbarWindow taskbarWindow, System.Drawing.Size requestedSize)
{
IntPtr hBitmap = IntPtr.Zero;
if (taskbarWindow.TabbedThumbnail.WindowHandle != IntPtr.Zero)
{ //TabbedThumbnail is linked to WinformsControl
if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero)
{
using (Bitmap bmp = TabbedThumbnailScreenCapture.GrabWindowBitmap(
taskbarWindow.TabbedThumbnail.WindowHandle, requestedSize))
{
hBitmap = bmp.GetHbitmap();
}
}
else
{
using (Image img = Image.FromHbitmap(taskbarWindow.TabbedThumbnail.CurrentHBitmap))
{
using (Bitmap bmp = new Bitmap(img, requestedSize))
{
hBitmap = bmp != null?bmp.GetHbitmap() : IntPtr.Zero;
}
}
}
}
// else if (taskbarWindow.TabbedThumbnail.WindowsControl != null)
// { //TabbedThumbnail is linked to a WPF UIElement
// if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero)
// {
// Bitmap bmp = TabbedThumbnailScreenCapture.GrabWindowBitmap(
// taskbarWindow.TabbedThumbnail.WindowsControl,
// 96, 96, requestedSize.Width, requestedSize.Height);
//
// if (bmp != null)
// {
// hBitmap = bmp.GetHbitmap();
// bmp.Dispose();
// }
// }
// else
// {
// using (Image img = Image.FromHbitmap(taskbarWindow.TabbedThumbnail.CurrentHBitmap))
// {
// using (Bitmap bmp = new Bitmap(img, requestedSize))
// {
//
// hBitmap = bmp != null ? bmp.GetHbitmap() : IntPtr.Zero;
// }
// }
// }
// }
return(hBitmap);
}
/// <summary>
/// Helper function to capture a bitmap for a given window handle or incase of WPF app,
/// an UIElement.
/// </summary>
/// <param name="taskbarWindow">The proxy window for which a bitmap needs to be created</param>
/// <param name="requestedSize">Size for the requested bitmap image</param>
/// <returns>Bitmap captured from the window handle or UIElement. Null if the window is hidden or it's size is zero.</returns>
private static IntPtr GrabBitmap(TaskbarWindow taskbarWindow, System.Drawing.Size requestedSize)
{
IntPtr hBitmap = IntPtr.Zero;
if (taskbarWindow.TabbedThumbnail.WindowHandle != IntPtr.Zero)
//TabbedThumbnail is linked to WinformsControl
if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero)
using (Bitmap bmp = TabbedThumbnailScreenCapture.GrabWindowBitmap(
taskbarWindow.TabbedThumbnail.WindowHandle, requestedSize))
hBitmap = bmp.GetHbitmap();
else
using (Image img = Image.FromHbitmap(taskbarWindow.TabbedThumbnail.CurrentHBitmap))
using (var bmp = new Bitmap(img, requestedSize))
hBitmap = bmp != null ? bmp.GetHbitmap() : IntPtr.Zero;
else if (taskbarWindow.TabbedThumbnail.WindowsControl != null)
//TabbedThumbnail is linked to a WPF UIElement
if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero)
{
Bitmap bmp = TabbedThumbnailScreenCapture.GrabWindowBitmap(
taskbarWindow.TabbedThumbnail.WindowsControl,
96, 96, requestedSize.Width, requestedSize.Height);
if (bmp != null)
{
hBitmap = bmp.GetHbitmap();
bmp.Dispose();
}
}
else
using (Image img = Image.FromHbitmap(taskbarWindow.TabbedThumbnail.CurrentHBitmap))
using (var bmp = new Bitmap(img, requestedSize))
hBitmap = bmp != null ? bmp.GetHbitmap() : IntPtr.Zero;
return hBitmap;
}
/// <summary>
/// Helper function to capture a bitmap for a given window handle or incase of WPF app,
/// an UIElement.
/// </summary>
/// <param name="taskbarWindow">The proxy window for which a bitmap needs to be created</param>
/// <param name="requestedSize">Size for the requested bitmap image</param>
/// <returns>Bitmap captured from the window handle or UIElement. Null if the window is hidden or it's size is zero.</returns>
private IntPtr GrabBitmap(TaskbarWindow taskbarWindow, System.Drawing.Size requestedSize)
{
IntPtr hBitmap = IntPtr.Zero;
if (taskbarWindow.TabbedThumbnail.WindowHandle != IntPtr.Zero)
{
if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero)
{
Bitmap bmp = TabbedThumbnailScreenCapture.GrabWindowBitmap(taskbarWindow.TabbedThumbnail.WindowHandle, requestedSize);
hBitmap = bmp != null?bmp.GetHbitmap() : IntPtr.Zero;
if (bmp != null)
{
bmp.Dispose();
bmp = null;
}
}
else
{
System.Drawing.Image img = System.Drawing.Image.FromHbitmap(taskbarWindow.TabbedThumbnail.CurrentHBitmap);
System.Drawing.Bitmap bmp = new Bitmap(img, requestedSize);
hBitmap = bmp != null?bmp.GetHbitmap() : IntPtr.Zero;
// Dipose the image
bmp.Dispose();
bmp = null;
img.Dispose();
img = null;
}
}
else if (taskbarWindow.TabbedThumbnail.WindowsControl != null)
{
if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero)
{
Bitmap bmp = TabbedThumbnailScreenCapture.GrabWindowBitmap(taskbarWindow.TabbedThumbnail.WindowsControl, 96, 96, requestedSize.Width, requestedSize.Height);
hBitmap = bmp != null?bmp.GetHbitmap() : IntPtr.Zero;
if (bmp != null)
{
bmp.Dispose();
bmp = null;
}
}
else
{
System.Drawing.Image img = System.Drawing.Image.FromHbitmap(taskbarWindow.TabbedThumbnail.CurrentHBitmap);
System.Drawing.Bitmap bmp = new Bitmap(img, requestedSize);
hBitmap = bmp != null?bmp.GetHbitmap() : IntPtr.Zero;
// Dipose the image
bmp.Dispose();
bmp = null;
img.Dispose();
img = null;
}
}
return(hBitmap);
}
