Queries whether the specified property dialog for the caching filter is available.
#include "ltmm.h"
Language | Syntax |
---|---|
C | HRESULT IltmmTargetFormat_HasCacheDialog(pTargetFormat, Dialog, pHasDialog) |
C++ | HRESULT HasCacheDialog(Dialog, pHasDialog) |
Pointer to the IltmmTargetFormat interface that references the target format object.
Value that specifies which dialog to display. Must be one of the ltmmTargetFormat_Dlg constants.
Pointer to a variable to be updated with a value that indicates whether the specified property dialog is available. Possible values are:
Value | Meaning |
---|---|
VARIANT_TRUE | The dialog is available. |
VARIANT_FALSE | The dialog is not available. |
Value | Meaning |
---|---|
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. |
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.
Win32, x64.
Language | Example |
---|---|
C | IltmmTargetFormat::CreateTargetFormats |
C++ | IltmmTargetFormat::CreateTargetFormats |
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