hwISession CaptureActiveWindow
Capture the active window to an image file of a specific dimension.
Syntax
hwISession_handle CaptureActiveWindow type, filename, dimension_type, width, height
Application
Tcl Query
Inputs
- type
- The image file type. Options include: BMP and JPEG.
- filename
- The filename that you are writing the captured image to.
- dimension_type
- Specifies the width and height units of the final image, which can be in percent or pixels.
- width
- The number of width units of the final captured image.
- height
- The number of height units of the final captured image.
Example
To determine if the current plot is drawn with a uniform aspect ratio (in other words,
equal width and
height):
hwi GetSessionHandle mySessionName
mySessionName CaptureActiveWindow JPEG c:/temp/fun.jpg percent 150 150
mySessionName CaptureActiveWindow JPEG c:/temp/fun.jpg pixels 1280 960
Error
Success (0) or an error code.