C# API Overview

This is an overview of the functions available in the C# Rainmeter API. All the functions are behind a Rainmeter.API wrapper which is created using the rm IntPtr.

ReadString string ReadString(string option, string defValue, bool replaceMeasures = true)

Returns a string representation of an option.

  • option : Option name to be read from the measure.
  • defValue : Default value for the option if it is not found or invalid.
  • replaceMeasures : If true, replaces section variables in the returned string.

Example:

internal void Reload(Rainmeter.API rm, ref double maxValue)
{
	// The following will replace regular variables and
	//  section variables in the 'Value' option.
	string value = rm.ReadString("Value", "DefaultValue");

	// The following will only replace regular variables,
	//  but NOT section variables like [MeasureNames].
	string action = rm.ReadString("Action", "", false);
}
ReadInt int ReadInt(string option, int defValue)

Retrieves the option defined in the skin file and converts it to an integer.

  • option : Option name to be read from the measure.
  • defValue : Default value for the option if it is not found, invalid, or a formula could not be parsed.

Example:

internal void Reload(Rainmeter.API rm, ref double maxValue)
{
	int value = rm.ReadInt("Value", 20);
}
ReadDouble double ReadDouble(string option, double defValue)

Retrieves the option defined in the skin file and converts it to a double type.

  • option : Option name to be read from the measure.
  • defValue : Default value for the option if it is not found, invalid, or a formula could not be parsed.

Example:

internal void Reload(Rainmeter.API rm, ref double maxValue)
{
	double value = rm.ReadDouble("Value", 20.0);
}
ReadPath string ReadPath(string option, string defValue)

Retrieves the option defined in the skin file and converts a relative path to a absolute path.

  • option : Option name to be read from the measure.
  • defValue : Default value for the option if it is not found or invalid.

Example:

internal void Reload(Rainmeter.API rm, ref double maxValue)
{
	string path = rm.ReadPath("MyPath", "C:\\");
}
Execute void Execute(IntPtr skin, string command)

Executes an action.

  • skin : Pointer to current skin (see GetSkin).
  • command : Action to execute.

Example:

internal double Update(IntPtr data)
{
	Measure measure = (Measure)data;

	// 'mySkin' stored previously in the Initialize function
	API.Execute(mySkin, L"[!SetVariable SomeVar 10]");

	return 0.0;
}
ReplaceVariables string ReplaceVariables(string str)

Returns a string, replacing any variables (or section variables) within the inputted string.

  • str : String with unresolved variables.

Example:

internal double Update()
{
	string myVar = ReplaceVariables("#MyVar#").ToUpperInvariant();

	if (myVar == "SOMETHING") { return 1.0; }
	return 0.0;
}
GetMeasureName string GetMeasureName()

Retrieves the name of the measure.

Example:

internal void Initialize(Rainmeter.API rm)
{
	myName = GetMeasureName();  // declare 'myName' as a string in class scope
}
GetSkin IntPtr GetSkin()

Retrieves an internal pointer to the current skin.

Example:

internal void Initialize(Rainmeter.API rm)
{
	mySkin = GetSkin();  // declare 'mySkin' as a IntPtr in class scope
}
GetSkinName string GetSkinName()

Retrieves full path and name of the skin.

Example:

internal void Initialize(Rainmeter.API rm)
{
	// declare 'skinName' as a string in class scope
	skinName = GetSkinName();
}
GetSkinWindow IntPtr GetSkinWindow()

Returns a pointer to the handle (HWND) of the skin window.

Example:

internal void Initialize(Rainmeter.API rm)
{
	// declare 'skinWindow' as a IntPtr in class scope
	skinWindow = GetSkinWindow();
}
GetSettingsFile string GetSettingsFile()

Retrieves a path to the Rainmeter data file (Rainmeter.data).

internal void Initialize(Rainmeter.API rm)
{
	// declare 'rmDataFile' as a string in global scope
	if (rmDataFile == null) { rmDataFile = GetSettingsFile(); }
}
Log void Log(LogType type, string message)

Sends a message to the Rainmeter log.

Example:

API.Log(API.LogType.Notice, "I am a 'notice' log message with a source");
LogF void LogF(LogType type, string format, params string[] args)

Sends a formatted message to the Rainmeter log.

Example:

string notice = "notice";
API.LogF(API.LogType.Notice, "I am a '{0}' log message with a source", notice);