import com.interface;
import fsys.stream;

namespace  com.interface;

class ICoreWebView2SharedBuffer{
	ctor( ){
		this = ..com.interface.IUnknown(); 
	}; 
	pointer _GetSize = "int(LONG &value)"; 
	pointer _GetBuffer = "int(ptr &value)"; 
	pointer _OpenStream = "int(ptr &value)";   
	pointer _GetFileMappingHandle = "int(ptr &value)"; 
	pointer Close = "int()"; 
	
	GetSize = function(){
		var hr,size = owner._GetSize(0);
		if( hr >= 0/*_SUCCEEDED*/ ){ 
			return size;
		}
		
		return 0;
	}
	
	GetSize64 = function(){
		var size = ..math.size64(0);
		var hr = owner._GetSize(size);
		if( hr >= 0/*_SUCCEEDED*/ ) return size; 
		return ..math.size64(0);
	}
	
	GetBufferPtr = function(){
		var hr,p = owner._GetBuffer();
		if( hr >= 0/*_SUCCEEDED*/  && p ){ 
			return p;
		}
	} 
	
	GetBuffer = function(){
		var size = owner.GetSize(); 
		var hr,p = owner._GetBuffer();
		if( hr >= 0/*_SUCCEEDED*/  && p && size){
			return ..raw.buffer(size,p);
		}
	} 
	
	OpenStream = function(){
		var hr,p = owner.__OpenStream();
		if( hr >= 0/*_SUCCEEDED*/  && p ){
			var stream = ..fsys.stream(p);
			..com.Release(p);
			return stream;
		}
	}
}
ICoreWebView2SharedBuffer.IID = "{B747A495-0C6F-449E-97B8-2F81E9D6AB43}";

ICoreWebView2SharedBuffer.Query = function(p){
	return ..com.interface(p,ICoreWebView2SharedBuffer);
}

/**intellisense()
com.interface.ICoreWebView2SharedBuffer = ICoreWebView2SharedBuffer 接口
com.interface.ICoreWebView2SharedBuffer.Query(__) = 返回 ICoreWebView2SharedBuffer 接口对象
com.interface.ICoreWebView2SharedBuffer.Query() = !ICoreWebView2SharedBuffer.
end intellisense**/

/*****intellisense(!ICoreWebView2SharedBuffer)
GetBuffer() = 复制并返回 buffer 对象
GetBufferPtr() = 返回 buffer 指针
GetSize64() = 返回表示 buffer 大小的 math.size64 对象
GetSize() = 返回表示 buffer 大小的 数值
OpenStream() = 返回 IStream 接口对象\n!fsys_stream.
Close() = 关闭对象，成功返回 0
end intellisense*****/