Ribbon background color in pure C

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Hi,
I'm writing native c programs since 30 years, but now I have the task by my boss to improve the existing programs with a ribbon menu without writing all programs new in c++ or c#.
I was guided perfect by the program "Windows Ribbon Framework in Win32 C Application" from Stephen Wiria from the year 2010 (thanks a lot for this great program!) and all lools very good with one exception:
I'm not able to set the global background color of the ribbon using "UI_PKEY_GlobalBackgroundColor".
I'm abolute not familar with C++ and all my attemps to translate an example c++ code to pure c to set the backgrouind color of a ribbon failed.
Has somebody a short solution for me?
Thank you so much.
Detlef

What I have tried:

HRESULT STDMETHODCALLTYPE OnCreateUICommand(IUIApplication *This, UINT32 commandId, UI_COMMANDTYPE typeID, IUICommandHandler **commandHandler)
{
	HRESULT hr;
	VOID *ppvObj = NULL;
	PROPVARIANT pv;
	
	
	/* allocate pApplication */
	
	// Command-Handler für das Abfragen der Command-Ids
	pCommandHandler = (IUICommandHandler *)GlobalAlloc(GMEM_FIXED, sizeof(IUICommandHandler));
	(IUICommandHandlerVtbl *)pCommandHandler->lpVtbl = &myCommand_Vtbl;
	hr = pCommandHandler->lpVtbl->QueryInterface(pCommandHandler, &IID_IUICommandHandler, (void**)commandHandler);
	


	// Property-Handler
	pPropertyStore = (IPropertyStore *)GlobalAlloc(GMEM_FIXED, sizeof(IPropertyStore));
	
	(IPropertyStoreVtbl*)pPropertyStore->lpVtbl = &myPropertyStore_Vtbl;

	pPropertyStore->lpVtbl->QueryInterface(pPropertyStore, &IID_IUIPropertyHandler, &ppvObj);

		

	UI_HSBCOLOR BackgroundColor = UI_HSB(0xFF, 0xFF, 0x00);
	

	PropVariantInit (&pv);

	pv.vt = VT_UI4;
	pv.lVal = BackgroundColor;
		
	hr = pPropertyStore->lpVtbl->SetValue(pPropertyStore, &UI_PKEY_GlobalBackgroundColor, &pv);
	hr = pPropertyStore->lpVtbl->Commit(pPropertyStore);
	
	
	return hr;

}

Posted 3-Feb-19 23:45pm

Member 13518242

Updated 25-Jan-21 1:55am

v3

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Comments

KarstenK 4-Feb-19 13:19pm

You should provide the whole error message. Best is that you google for its keywords :-O

Member 13518242 5-Feb-19 6:18am

Hi Karsten,

thank you for your replay.
The problem is, that I get no error message, but the background color remains unchanged in its old status.

I think, in c++ it is very easy to change the color and I need a function like this:

CComPtr<ipropertystore> spPropertyStore;

// _spFramework is a pointer to the IUIFramework interface that is assigned
// when the Ribbon is initialized.
if (SUCCEEDED(_spFramework->QueryInterface(&spPropertyStore)))
{
PROPVARIANT propvarBackground;
PROPVARIANT propvarHighlight;
PROPVARIANT propvarText;

// UI_HSBCOLOR is a type defined in UIRibbon.h that is composed of
// three component values: hue, saturation and brightness, respectively.
UI_HSBCOLOR BackgroundColor = UI_HSB(0x14, 0x38, 0x54);
UI_HSBCOLOR HighlightColor = UI_HSB(0x00, 0x36, 0x87);
UI_HSBCOLOR TextColor = UI_HSB(0x2B, 0xD6, 0x00);

InitPropVariantFromUInt32(BackgroundColor, &propvarBackground);
InitPropVariantFromUInt32(HighlightColor, &propvarHighlight);
InitPropVariantFromUInt32(TextColor, &propvarText);

spPropertyStore->SetValue(UI_PKEY_GlobalBackgroundColor, propvarBackground);
spPropertyStore->SetValue(UI_PKEY_GlobalTextColor, propvarText);

spPropertyStore->Commit();
}

But in pure c I can not find a similar function as "InitPropVariantFromUInt32".

May be that this would solve the problem.
Google did not help :-(.

Thank you again and best regards.
Detlef

2 solutions

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merano99 · Answer 1 · 2019-02-26T13:03:00

Solution 1

Not shure if this will help:

https://docs.microsoft.com/de-de/windows/desktop/windowsribbon/windowsribbon-templates

Posted 26-Feb-19 13:03pm

merano99

v2

Comments

Member 13518242 4-Mar-19 6:02am

Thank you merano99. This is helpfull, but still I have the problem to create a PropertyHandler in pure c that works. I tried the solution below, but the backgroundclor vremain unchanged. Nevertheless thank you.
Detlef

Member 13518242 · Answer 2 · 2019-03-04T00:03:00

IPropertyStoreCache *ppvObj_propertystore = NULL;
PROPVARIANT    pvBackgroundColor;

UI_HSBCOLOR BackgroundColor = UI_HSB(0xFF, 0xFF, 0x54);
HRESULT hr;

hr = CoCreateInstance(&CLSID_InMemoryPropertyStore, NULL, CLSCTX_INPROC_SERVER, &IID_IPropertyStoreCache, (void**)&ppvObj_propertystore);

hr = ppvObj_propertystore->lpVtbl->Release(ppvObj_propertystore);

hr = ppvObj_propertystore->lpVtbl->QueryInterface(ppvObj_propertystore, &IID_IPropertyStoreCache, &ppvObj_propertystore);


	
PropVariantInit (&pvBackgroundColor);
hr = InitPropVariantFromUInt32(BackgroundColor, &pvBackgroundColor);

PropVariantInit(&pvBackgroundColorIn);
hr = InitPropVariantFromUInt32(BackgroundColor, &pvBackgroundColorIn);

hr = ppvObj_propertystore->lpVtbl->GetValue(ppvObj_propertystore, &UI_PKEY_GlobalBackgroundColor, &pvBackgroundColorIn);

PropVariantToUInt32(&pvBackgroundColorIn, &uErgebnis);


hr = ppvObj_propertystore->lpVtbl->SetValue(ppvObj_propertystore,  
        &UI_PKEY_GlobalBackgroundColor, &pvBackgroundColor);
hr = ppvObj_propertystore->lpVtbl->Commit(ppvObj_propertystore);