IltmmTargetFormat::ShowCacheDialog

#include "ltmm.h"

C Syntax	HRESULT IltmmTargetFormat_ShowCacheDialog(pTargetFormat, Dialog, hWnd)
C++ Syntax	HRESULT ShowCacheDialog(Dialog, hWnd)

IltmmTargetFormat * pTargetFormat;	pointer to an interface
long Dialog;	dialog to display
long hWnd;	window handle

Shows a specific property dialog for the caching filter.

Parameter	Description
pTargetFormat	Pointer to the IltmmTargetFormat interface that references the target format object.
Dialog	Value that specifies which dialog to display. Must be one of the ltmmTargetFormat_Dlg Constants.
hWnd	Value that specifies the dialog owner's window handle. Must be cast to long.

Returns

S_OK	The function was successful.
<> S_OK	An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

Use the IltmmTargetFormat::get_UseFilterCache function to query whether the toolkit is caching filters. It returns the value that was set using the IltmmTargetFormat::put_UserFilterCache. Use the IltmmTargetFormat::put_UseFilterCache function to enable or disable caching for the target format. Use the IltmmTargetFormat::GetCacheObject function to retrieve the caching filter object. Use the IltmmTargetFormat::ShowCacheDialog function to display a specific property dialog for the caching filter. Use the IltmmTargetFormat::HasCacheDialog function to query whether the specified property dialog for the caching filter is available.

Required DLLs and Libraries

LTMM

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

Example

For a C example, refer to IltmmTargetFormat::CreateTargetFormats

For a C++ example, refer to IltmmTargetFormat::CreateTargetFormats

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Elements:	IltmmTargetFormat::get_UseFilterCache, IltmmTargetFormat::put_UseFilterCache, IltmmTargetFormat::HasCacheDialog, IltmmTargetFormat::GetCacheObject, IltmmCapture::GetSubObject, IltmmConvert::GetSubObject
Topics:	Multimedia Function Group