Graphics::CopyFromScreen Method (Int32, Int32, Int32, Int32, Size)
Performs a bit-block transfer of the color data, corresponding to a rectangle of pixels, from the screen to the drawing surface of the Graphics.
Assembly: System.Drawing (in System.Drawing.dll)
public: void CopyFromScreen( int sourceX, int sourceY, int destinationX, int destinationY, Size blockRegionSize )
Parameters
- sourceX
-
Type:
System::Int32
The x-coordinate of the point at the upper-left corner of the source rectangle.
- sourceY
-
Type:
System::Int32
The y-coordinate of the point at the upper-left corner of the source rectangle.
- destinationX
-
Type:
System::Int32
The x-coordinate of the point at the upper-left corner of the destination rectangle.
- destinationY
-
Type:
System::Int32
The y-coordinate of the point at the upper-left corner of the destination rectangle.
- blockRegionSize
-
Type:
System.Drawing::Size
The size of the area to be transferred.
| Exception | Condition |
|---|---|
| Win32Exception | The operation failed. |
The CopyFromScreen methods are useful for layering one image on top of another. To specify how the source and destination colors are blended, use one of the CopyFromScreen methods that takes a CopyPixelOperation parameter.
The following code example demonstrates how to use the CopyFromScreen for printing a copy of the current form.
for access to all windows. Related enumeration: AllWindows.
Available since 2.0